The strain relief cord connector is used to protect electrical wires and cables, and is widely used in homes, offices, shopping malls, and other occasions. Power cord strain relief boot sleeve can protect the USB cable, network cable, power cable, etc. of the computer, prevent the wires from tangled together, maintain a clean environment, extend the service life of the electrical wires, and protect the cables from damage. The strain relief cord connector provides additional protection for the electrical wires and cables of electronic devices such as computers, audio systems, and TV. Cord strain relief , , wear-, and can be used for a long time; Cable strain relief, easy to install, easy to use, and can be quickly installed on electrical wires and cables Steps of installation: 1. Choose a suitable cable strain relief cord connector; 2. Cables pass through into the strain relief cord connector; 3. Install it properly note:Please pay attention to selecting the strain relief cord connector with appropriate size Colour:Black Material:PVC Package Contents: 50 x Cable sleeve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.